MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://vilenefex.ru/123?utm_term=android+9.+0+pie+firmware PDF link annotation
- https://cdn.sqhk.co/gasidonoda/2fOhkid/roxupegojowimuzadop.pdfIn PDF document text
- http://affilateapp.online/l_amant_de_la_chine_du_nordegays.pdfIn PDF document text
- http://goodnaturak.space/vinupezt4siq.pdfIn PDF document text
- https://cdn.sqhk.co/bemaxopig/fiehh11/warlord_games_black_powder.pdfIn PDF document text
- http://igme.site/welos6jfdz.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://1ffb5d6c-d890-49e0-9b87-dc10fbfa49e2.filesusr.com/ugd/8bc2a6_b15c15fe626744a4ba688ecc24d94349.pdf?index=trueIn PDF document text
- https://c546c886-5aa5-41cc-813f-4ed3e146772c.filesusr.com/ugd/b3e52d_41dbf0e4739d45e0b50339a8427f200f.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/nuxulikiwab/the_giver_quiz_time_chapters_11-15_answers.pdfIn PDF document text
- http://susebatosod.rf.gd/34581452029.pdfIn PDF document text
- https://da54c32a-99c7-4590-8520-800dd2d1cae3.filesusr.com/ugd/7973d2_8091b48c01164b6fa65b0f198c763986.pdf?index=trueIn PDF document text
- https://275320ff-96dd-455a-9699-a0fdc58b27a5.filesusr.com/ugd/943725_6f63a768e1d64a6bb25f9fcd7674ad10.pdf?index=trueIn PDF document text
- https://d4078116-a2d5-466f-97e6-20d899f6ca30.filesusr.com/ugd/576447_ea69fabfe288463d80fb43f6206bc19d.pdf?index=trueIn PDF document text
- http://buvekopap.epizy.com/rerapolawudabim.pdfIn PDF document text
- http://gixoluzex.epizy.com/acta_constitutiva_de_una_sociedad_mercantil_formato.pdfIn PDF document text
- http://lijixame.epizy.com/89807500162.pdfIn PDF document text
- https://s3.amazonaws.com/lakujusitejojet/apprenticeship_patterns.pdfIn PDF document text
- https://510b81f6-be4e-4e40-9acf-3f60af495837.filesusr.com/ugd/5f226b_ca193991dd9d4aa09ce2e36484ac417e.pdf?index=trueIn PDF document text
- https://56148a0a-83a3-4003-94ff-78d3044b7c00.filesusr.com/ugd/6f5f23_469a08c5851d4226b47a7edfc416f2d7.pdf?index=trueIn PDF document text
- https://f1c0478e-57b3-422a-b8eb-433964b677d2.filesusr.com/ugd/16c17d_2bce6e628aac4a3f817e56f5c817d76d.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/jeduzizonox/suica_card_japan_guide.pdfIn PDF document text
- https://f0198b83-f3fe-41b4-8315-bacd7eabb238.filesusr.com/ugd/2b3f46_970ccb775bef402fba109be3e8ac3afa.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/wisuw/mortified_guide_streaming.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ef77.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF77 | 5388 bytes |
SHA-256: d004fe57a3a727ef1fa0c03a7a82a4febde06bc76a872843f99715c0ad75d402 |
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font_01_sfnt_off000101cd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101CD | 11652 bytes |
SHA-256: fb72d5fb7bf11cab130727c7c2f94cfebe0b758df6a9a28b5d449c3a8d49384b |
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